Home / 12,018.58-16,585.67-6,713.60

Finding the Fourth Proportional to 12,018.58, 16,585.67 and 6,713.60

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Solution

The fourth proportional to 12,018.58, 16,585.67 and 6,713.60 is: 9,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.58 : 16,585.67 = 6,713.60 : x
  2. Step 2: Convert to fraction form
    12,018.58/16,585.67 = 6,713.60/x
  3. Step 3: Cross multiply
    12,018.58x = 16,585.67 × 6,713.60
  4. Step 4: Simplify right side
    12,018.58x = 111,349,487.97
  5. Step 5: Solve for x
    x = 111,349,487.97/12,018.58
  6. Step 6: Final answer
    x = 9,264.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.